A natural phosphorus fertilizer that is easy to apply.
Rock Phosphate can be a good amendment for replenishing soil phosphorus supply in depleted soils.
Rock phosphate slowly releases phosphorus over many years.
$19.76 – $39.08
GAIA GREEN Rock Phosphate is a naturally occurring mineral, which has been ground to a fine powder. Plants with high cation exchange root systems (legumes and grains) are found to be effective in obtaining phosphorous from soil and rock phosphate. This product can be very effective when used in conjunction with